Albert Sweigart (but you can call him Al), is a software developer in San Francisco, California. He laughs out loud when watching park squirrels, and people think he's a simpleton. He has written several Python books for kids and adults, including Hacking Secret Ciphers with Python, Invent Your Own Computer Games with Python, Automate the Boring Stuff with Python and Making Games with Python & Pygame. [(Source)][1] [1]: https://inventwithpython.com/about.html